#include<iostream.h>
void main()
{
int i,n,x,y;
cout<<"input nilai awal: ";
cin>>x;
cout<<"input nilai akhir: ";
cin>>y;
for(i=0;i<=y;i++)
{
for(n=x;n<=i;n++)
cout<<n;
cout<<"\n";
}
}
tampilan outputnya seperti ini :